Function:
The value that will be used to validate the bundle identifier included in the app receipt. Notes:
Given that it is possible to modify the app bundle in jailbroken devices, setting this value from a hardcoded string might provide better protection.
Returns the given value, or the app's bundle identifier by default.
(Read and Write property)

Function:
The value that will be used to validate the bundle version included in the app receipt. Notes:
Given that it is possible to modify the app bundle in jailbroken devices, setting this value from a hardcoded string might provide better protection.
Returns the given value, or the app's bundle version by default.
(Read and Write property)